latrodectus | 41513d1bd65062c3e4b337f50c2fbc914f035d17e258e7622574e867065f79f3

Resubmissions

05-04-2024 15:05

240405-sf5bqaff88 10

27-11-2023 17:10

231127-vpqk2aae84 8

27-11-2023 16:30

231127-tzsbyahg8y 7

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-04-2024 15:05

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General

Target

launcher.bat
Size

62B
MD5

7d6b98d6fea6b32c98e4f6acb8930efe
SHA1

cf4689c45b1bd398ce2cf2f5c399c007166de257
SHA256

76ce2f0f4ac28eb39f4f06a15defec3b7a2eb4c4a55c05fa86535b1a3cdabc23
SHA512

35a9c5517b8e1a97bd02de5088e26050485aacd50783366f3b513b84c0886eff42d19fc8ba5369602755a3e6ed2bb5b02af50cc2f7a1b8406eba21e6f296539c

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://mazdakrichest.com/live/

https://riverhasus.com/live/

Signatures

Latrodectus loader
Latrodectus is a loader written in C++.
loader latrodectus

Detect larodectus Loader variant 1 3 IoCs

loader

resource	yara_rule
behavioral2/memory/1944-1-0x000001FE0BA80000-0x000001FE0BA93000-memory.dmp	family_latrodectus_v1
behavioral2/memory/1312-11-0x0000021D0BB20000-0x0000021D0BB33000-memory.dmp	family_latrodectus_v1
behavioral2/memory/1312-16-0x0000021D0BB20000-0x0000021D0BB33000-memory.dmp	family_latrodectus_v1

Loads dropped DLL 1 IoCs

pid	Process
1312	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1312	rundll32.exe
1312	rundll32.exe
1312	rundll32.exe
1312	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 1944	3140	cmd.exe	86
PID 3140 wrote to memory of 1944	3140	cmd.exe	86
PID 1944 wrote to memory of 1312	1944	rundll32.exe	90
PID 1944 wrote to memory of 1312	1944	rundll32.exe	90

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\launcher.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Windows\system32\rundll32.exe
  rundll32.exe version1.dll, scab
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_7313c66e.dll", scab
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:1312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Custom_update\Update_7313c66e.dll

Filesize
1.4MB

MD5
f834dfc1861cd6361f34496c3bbafe66

SHA1
a983e82d009901310c8a3255c4b4e3a02d556fa7

SHA256
e99f3517a36a9f7a55335699cfb4d84d08b042d47146119156f7f3bab580b4d7

SHA512
088a6170c948ddb2c2b0cf2431ae61688201ef5bc3f1af217a58bf18b26dd9e0ab7ee082f822e736d0467f62e33bf71b806127eb998bed8e739c1e441ac05e00

Download Submit
memory/1312-11-0x0000021D0BB20000-0x0000021D0BB33000-memory.dmp

Filesize
76KB

Download
memory/1312-16-0x0000021D0BB20000-0x0000021D0BB33000-memory.dmp

Filesize
76KB

Download
memory/1944-0-0x000001FE0BA70000-0x000001FE0BA74000-memory.dmp

Filesize
16KB

Download
memory/1944-1-0x000001FE0BA80000-0x000001FE0BA93000-memory.dmp

Filesize
76KB

Download
memory/1944-7-0x0000000180000000-0x000000018016F000-memory.dmp

Filesize
1.4MB

Download